GraphFrame
Vertices:
  $ id <dbl> 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Edges:
  $ dst <dbl> 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
  $ src <dbl> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
